UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D
                                  (Rule 13d-1)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
                                  RULE 13d-2(a)

                            (Amendment No. _________)

                                Duane Reade Inc.
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                                (Name of Issuer)


                                  Common Stock
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                         (Title of Class of Securities)


                                    263578106
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                                 (CUSIP NUMBER)


                           Robert C. Dinerstein, Esq.
                                     UBS AG
                                 299 Park Avenue
                            New York, New York 10171
                                 (212) 821-3000
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                  (Name, address and telephone number of person
               authorized to receive notices and communications)



                                  July 19, 2004
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             (Date of Event That Requires Filing of this Statement)

      If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this Schedule 13D, and is filing
this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the
following box. [_]

            Note. Schedules filed in paper format shall include a signed
      original and five copies of the schedule, including all exhibits. See Rule
      13d-7 for other parties to whom copies are to be sent.

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* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

                                       1

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1        Name of Reporting Person

UBS AG
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2        Check the Appropriate Box if a Member of a Group

a   [_]
b   [_]
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3        SEC USE ONLY


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4        Source of Funds

BK
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5        Check box if disclosure of legal proceedings is required
         pursuant to Item 2(d) or 2(e)

[_]
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6        Citizenship or Place of Organization

Switzerland
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                  7.  Sole Voting Power:              1,262,964
  Number of

   Shares         --------------------------------------------------------------
                  8.  Shared Voting Power:            0
Beneficially

  Owned by
                  --------------------------------------------------------------
    Each          9.  Sole Dispositive Power:         1,262,964

  Reporting

   Person         --------------------------------------------------------------
                  10.  Shared Dispositive Power:      0
    With:

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11       Aggregate Amount Beneficially Owned by Each Reporting Person

1,262,964
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12       Check if the Aggregate Amount in Row (11) Excludes Certain Shares

[_]
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13       Percent of Class Represented by Amount in Row (11)

5.16%
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14       Type of Reporting Person

BK
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                                       2

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Item 1.  Security and Issuer

Common Stock

Duane Reade Inc.
440 Ninth Avenue
New York, NY 10001

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Item 2.  Identity and Background

UBS AG

Principal business: UBS AG is a major international banking and financial firm.
UBS AG's principal business office is located at:
Bahnhofstrasse 45
CH-8021, Zurich, Switzerland

UBS AG has not, during the last five years, been convicted in a criminal
proceeding (excluding traffic violations or similar misdemeanors). UBS AG was
not, during the last five years, a party to a civil proceeding of a judicial or
administrative body of competent jurisdiction and as a result of such proceeding
was or is subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to, federal or
state securities laws or finding any violation with respect to such laws.

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Item 3.  Source and Amount of Funds or Other Consideration

The source of funds for the purchases of the Common Stock (as defined above in
Item 1) was working capital of UBS AG and the affiliates that purchased the
subject securities.

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Item 4.  Purpose of Transaction

The shares of Common Stock were acquired for investment and proprietary trading
purposes and not with the purpose or effect of changing or influencing control
of the Issuer. UBS AG and its affiliates review their respective holdings of the
Issuer on an ongoing basis. Depending on such evaluations, UBS and its
affiliates may from time to time in the future acquire additional shares in
connection with such investment and risk arbitrage activities, but they have no
present plans for any material additional acquisitions. Except as otherwise
described herein, none of the reporting persons has any plans or proposals
relating to or which would result in any of the transactions described in Items
4(a) - (j) of Schedule 13D.

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Item 5.  Interest in Securities of the Issuer

As of the date of the event requiring the filing of this schedule, UBS AG
beneficially owns 1,262,964 shares of Common Stock of the Issuer, or 5.16 % of
the class outstanding as of July 16, 2004.

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Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect
to Securities of the Issuer

To the best knowledge of UBS AG, no contracts, arrangements, understandings or
relationships (legal or otherwise) exist UBS AG and any other person with
respect to the securities of the Issuer.

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Item 7.  Material to be Filed as Exhibits

None


                                       3

                                   SIGNATURES

         After reasonable inquiry and to the best of the knowledge and belief of
the undersigned, the undersigned certifies that the information set forth in
this statement is true, complete and correct.


                                     UBS AG

                                     By:   /s/ Robert C. Dinerstein
                                     Robert C. Dinerstein
                                     Managing Director


                                     By:   /s/ Per Dyrvik
                                     Per Dyrvik
                                     Managing Director





         Date:  July 30, 2004



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